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A199260
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Number of nX6 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and every element equal to exactly one horizontal or vertical neighbor
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1
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1, 36, 114, 1240, 5381, 54588, 278570, 2397792, 14900001, 116469925, 780649269, 6006347346, 41989064859, 319129583349, 2307295438172, 17428815517107, 128586800958736, 972215152349757, 7260589438120238, 55045255657803475
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OFFSET
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1,2
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COMMENTS
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Column 6 of A199261
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..22
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EXAMPLE
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Some solutions for n=5
..0..0..1..1..2..2....0..0..1..1..2..2....0..1..0..2..1..1....0..0..1..1..2..2
..2..2..0..0..1..1....2..1..0..2..1..1....0..1..0..2..0..0....1..1..0..2..0..1
..1..0..2..1..2..2....2..1..0..2..0..0....2..2..1..1..2..2....2..2..0..2..0..1
..1..0..2..1..0..0....0..0..2..0..2..2....1..1..2..2..0..0....0..1..2..0..2..2
..2..2..0..0..1..1....1..1..2..0..1..1....2..2..0..0..1..1....0..1..2..0..1..1
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CROSSREFS
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Sequence in context: A162940 A250426 A176685 * A033575 A044287 A044668
Adjacent sequences: A199257 A199258 A199259 * A199261 A199262 A199263
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin Nov 04 2011
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STATUS
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approved
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